COM_TranslateNode.cc

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/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * Copyright 2011, Blender Foundation.
 */
 
#include "COM_TranslateNode.h"
 
#include "COM_ExecutionSystem.h"
#include "COM_TranslateOperation.h"
#include "COM_WrapOperation.h"
#include "COM_WriteBufferOperation.h"
 
namespace blender::compositor {
 
TranslateNode::TranslateNode(bNode *editorNode) : Node(editorNode)
{
  /* pass */
}
 
void TranslateNode::convertToOperations(NodeConverter &converter,
                                        const CompositorContext &context) const
{
  bNode *bnode = this->getbNode();
  NodeTranslateData *data = (NodeTranslateData *)bnode->storage;
 
  NodeInput *inputSocket = this->getInputSocket(0);
  NodeInput *inputXSocket = this->getInputSocket(1);
  NodeInput *inputYSocket = this->getInputSocket(2);
  NodeOutput *outputSocket = this->getOutputSocket(0);
 
  TranslateOperation *operation = new TranslateOperation();
  if (data->relative) {
    const RenderData *rd = context.getRenderData();
    const float render_size_factor = context.getRenderPercentageAsFactor();
    float fx = rd->xsch * render_size_factor;
    float fy = rd->ysch * render_size_factor;
 
    operation->setFactorXY(fx, fy);
  }
 
  converter.addOperation(operation);
  converter.mapInputSocket(inputXSocket, operation->getInputSocket(1));
  converter.mapInputSocket(inputYSocket, operation->getInputSocket(2));
  converter.mapOutputSocket(outputSocket, operation->getOutputSocket(0));
 
  if (data->wrap_axis) {
    WriteBufferOperation *writeOperation = new WriteBufferOperation(DataType::Color);
    WrapOperation *wrapOperation = new WrapOperation(DataType::Color);
    wrapOperation->setMemoryProxy(writeOperation->getMemoryProxy());
    wrapOperation->setWrapping(data->wrap_axis);
 
    converter.addOperation(writeOperation);
    converter.addOperation(wrapOperation);
    converter.mapInputSocket(inputSocket, writeOperation->getInputSocket(0));
    converter.addLink(wrapOperation->getOutputSocket(), operation->getInputSocket(0));
  }
  else {
    converter.mapInputSocket(inputSocket, operation->getInputSocket(0));
  }
}
 
}  // namespace blender::compositor